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this post was submitted on 05 Feb 2026
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Today I Learned
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C-to-C is even worse because Usb-C requires a chip in the connector, and you never know what that chip is capable of. Usb-A would only have a chip in it if it's been tampered with.
Yeah I was hoping the smaller form factor would make it difficult to fit in extra malicious hardware.
This was the smallest Bluetooth chip back in 2017. I can't even imagine what else they can fit into the form factor of a USB-C plug nowadays.
Released last year, TI MSPM0C1104
https://www.electronics-lab.com/texas-instruments-unveils-mspm0c1104-worlds-smallest-microcontroller-for-space-constrained-applications/
Whilst this wouldn't work for this specific application we're discussing (no USB support, no wireless), it's an amazing example of just how little a microcontroller can be nowadays.